Slides in this set

Slide 1

Inter-rater reliability of the DSM· For the DSM to be a reliable diagnostic tool, it should allow for multiple people to come to the same diagnosis when presented with the same symptoms…read more

Slide 2

Nicholls et al (2000)· Looked at reliability of diagnosis of eating disorders in children.· 81 patients with some eating problem were diagnosed using: ­ DSM IV ­ ICD 10 ­ Great Ormond Street's own classification system· Only 64% of raters agreed with a diagnosis (more reliable that ICD 10 [36%]; less reliable than GOSH own [88%])…read more

Slide 3

Stinchfield (2003)· Looked at diagnosis of pathological gambling· 803 `normal' participants, 259 Ps on a gambling treatment programme· Questionnaire used to measure DSM Diagnostic Criteria for pathological gambling (pg 671)· Found that those who were already classified as pathological gamblers were reliably identified (also showed validity)…read more

Slide 4

Kirk & Kutchins (1992)· Reviewed research into the reliability of the DSM· Argued there are methodological issues with the studies (e.g., questionnaires and interviews), therefore reducing generalisability· Said interviewers are not sufficiently trained to show accuracy· Also said the studies were done outside of normal clinical settings· Therefore suggested the DSM lacks reliability…read more

Slide 5

Validity of the DSM· For the DSM to be a valid diagnostic tool, it should allow for clinicians to come to the correct diagnosis when presented with a set of symptoms· E.g., not diagnosing insomnia when it's actually a symptom of depression…read more

Slide 6

Rosenhan (1973)· Sent 8 people without an existing mental disorder to a mental hospital, claiming they were hearing voices· 7/8 were incorrectly diagnosed as having schizophrenia (1/8 bipolar)· Shows the DSM II lacked validity because none of these patients should have been diagnosed with anything (they were normal!)…read more